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STMPE821 Folha de dados(PDF) 10 Page - STMicroelectronics

Nome de Peças STMPE821
Descrição Electrónicos  8-bit Xpander Logic??with touchkey controller
PDF  55 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE821 Folha de dados(HTML) 10 Page - STMicroelectronics

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Power schemes
STMPE821
10/55
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Power schemes
The STMPE821 can be powered by a 1.8 V supply directly, or 3.0 - 3.6 V supply through the
internal voltage regulator. VIO powers all the GPIOs directly, if LED driving is required on the
GPIO, VIO should be at least 3.3 V.
Figure 6.
Power using the internal regulator
Figure 7.
Power bypassing the internal regulator
STMPE821
VIO
VCC
GND
3 - 5.5 V
CS00048
STMPE821
VIO
VCC
GND
CS00051
1.65 - 1.95 V
1.65 - 5.5 V



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